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Strabismus diorthosis under microscope has clear advantages compared with traditional strabismus diorthosis. The muscle, blood tube and the move of needle in sclera as well as the depth can be seen clearly during the operation which make the operation easy to control, so we can properly and correctly perform the operation, shorten the operation time and avoid complications like blooding, penetrate sclera which often occur during the traditional operation. The strabismus diorthosis under microscope using general micro equipments can also separate structure correctly with fewer operation steps, light reaction after operation, sooner recovery after operation, which is suit to patient who needs strabismus diorthosis.

显微镜下斜视矫正术较传统直视下斜视矫正术具有较明显优势，可以清晰地看清肌肉、血管、及针在巩膜内的走行、深浅，使手术较易掌控，可以使手术量及手术操作准确无误，缩短手术时间、避免出血、穿透巩膜等直视下手术常见的并发症的发生，同时组织分离准确，操作减少，也直接减轻了术后反应，缩短了术后恢复时间，适合所有需斜视手术患者，优势为初学者易掌握巩膜进针深度。

The diluent contain magnesium chloride, potassium citrate, sodium glutamate, dipotassium hydrogen phosphate, monopotassium phosphate and fructose, semen vitality is hightest after frozen.The average value is 0.52,highter than other 5 diluent significantly (P﹤0.01).So chose this diluent as semen cryopreservation diluent on chicken. Definite cryoprotectant, equilibrium time and thaw temperature:On the base of test one,research freeze sheltering effect about glycerin, DMSO ,DMA and DMF, each with 4 consistency.The result showed that 10%DMSO sheltering effect is the best, the next is 4%DMA,semen vitality are 0.58 and 0.55 after frozen.

冷冻保护剂、平衡时间和解冻温度的确定在试验一的基础上，研究甘油、二甲基亚砜、二甲基乙酰胺、二甲基甲酰胺4种冷冻保护剂在4种浓度下对鸡精子的冷冻保护作用，结果表明，10%DMSO保护效果最好，其次为4%浓度的DMA，精液冻后活力分别为0.58和0.55，两者之间差异不显著(P﹥0.05)。

Fornix fluid after first getting a check for the activities of the sperm, if sperm proved successful sexual intercourse, and then check cervical mucus, such as cervical mucus Drawbench long slide into the formation of a typical fern after drying crystallization can be considered suitable electoral test of time.

先取后穹窿液检查有无活动精子，如有精子证明性交成功，然后取宫颈粘液，如宫颈粘液拉丝长，放到玻片干燥后形成典型羊齿结晶，可以认为试验时间选得合适。

Methods: The coated metallic stents were introduced by direct observation of endoscopy for 30 patients with cancerous esophagotracheal fistula. The all 30 cases of the patients were associated with pulmonary infection,dystrophia and choke before the operation. The success rate of the implantation,complication rate and curative effect were observed after the operation. Results: The first success rate of the patients was 100%. All patients could take food after the operation and the pulmonary infection was also controlled apparently. The median survive time was 10 months.

在内镜直视下置入国产金属带膜支架，观察支架置入成功率、操作相关并发症、支架疗效和并发症等指标。30例癌性食管气管瘘患者，术前伴明显的肺部感染和严重营养不良及进食呛咳等症状，结果：30例患者支架置入术操作一次成功率为100%，支架置入术后患者进食困难均有改善，肺部感染得到明显控制，随访平均生存时间10月(2～16月)。

INTERVENTIONS: Embryonal 14-day SD retina was transplantedin-between the epithalamus and hypothalamus of the midbrain in P1 rat and the right eye of the P1 rat was removed simultaneously. The development time of TP on the 9th day after operation was corresponding to the normal retina on the 1st day after born, which was then recorded as TP1, and so on. The development and differentiation was shown by histochemical method.

干预：用胚14 d SD大鼠视网膜移植至P1大鼠中脑左侧上、下丘间，同时摘除P1鼠右眼，术后第9天移植视网膜的发育时间与生后第1天正常视网膜相当，记为TP1，余类推，应用组织化学方法显示神经元的发育和分化。

After that, the comparison of the fertilizable competences of ICSI and IVF on cryopreservated oocytes was studied in this article, in order to establish an optimized method to improve the fertilizable competences of oocytes up to the level of embryos.1 Effects of the reducing injury methods on IVF of cryopreservated oocytesThe result of the three methods, choosing the right time oocytes, using minimum size sample vitrification and culturing after thawing, showed that these ways could partly maintained the fertilizable competences of cryopreservated bovine oocytes.

减轻损伤方案对冷冻卵母细胞IVF的影响使用选择合适时期的卵母细胞进行冷冻；采用最小样本量玻璃化冷冻方法进行冷冻；在解冻后先孵育再进行体外受精等三种方案能够部分维持或恢复冷冻牛卵母细胞IVF受精能力。

After avilamycin 8mg/kg was fed to Cyprinus carpio, the quantity of the intestinal aerobic and the facultative anaerobic bacteria, the percent of Enterobacteriaceae, and the quantity of Lactobacillus decreased significantly on the 14~ d, at the same time , the percent of Flavobacterium increased evidently, the quantity and percent of Bacteriodes decreased evidently during the first 28 d of the experiment.3 After Cyprinus carpio was fed with narasin, the percent of Corynebacterium increased.

投喂阿维拉霉素8mg／kg在试验第14d使鲤肠道好氧及兼性厌氧菌总数、肠杆菌科所占百分比、乳杆菌属数量显著降低，黄杆菌属所占百分比显著升高；在试验的前28d使拟杆菌属数量及其百分比显著下降。

Moreover, the heterozygote is refrigerated at low temperature or frozenly reserved in liquid nitrogen for a long time, and after resuscitation, the heterozygote can be directly used in the repair of tissues or organs so as to effectively avoid the necrosis of tissues due to untimely use after assembling.

然后在低温下泠藏或在液氮中长期冻存，复苏后可直接用于组织或器官的修复，有效避免了细胞在组装后若不及时使用就会出现的坏死现象。

The thesis is based on income question, forest coverage rate and grop production.to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan-bei district, and then in view of the fact, seven esential factors which have influence on the project are found out: expense of dam, expense of crop,expense of cash tree ,expense of defense tree,other economic crop,expense of grass and graziery;and the output factors include:income of gdp,pure income per captia,the area of decreasing land loss,graziery income ,crop production,income of tree,the totle income of economic crop.after the date of each facts are puted into dea model,unefficiencial decision making units found.the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure.at the same time ,taking into account some possible problems in or after grain for green in shan-bei district,the thesis bring out some propesal to improve the circumstance,enhance the life level and putthe relation of population,resource and circumstance into a healthy orbit.

论文以解决陕北地区的收入问题，植被问题以及粮食产量问题为出发点，首先从理论上分析了包络分析方法在陕北地区退耕还林中运用的可行性，然后结合陕北地区目前的实际情况，综合分析出影响陕北地区退耕还林的关键的七个因素作为输入指标：水利水保设施投入，农作物投入，经济林种支出，防护林支出，其它经济作物，草类支出，畜牧业投入；以退耕还林所要解决的最终问题作为输出指标：GDP收入、农民人均纯收入、水土流失减少量、牧业总产值、粮食产量、林业总产值、其他经济作物总产值。将各指标所对应的数据代入模型后，通过分析求解得出非有效的决策单元，再运用包络分析方法的一些基本原理对非有效的决策单元进行调整，由此所得的数据对陕北地区的实际投入具有很好的指导意义。同时，又针对陕北地区在退耕还林过程中以及之后可能面临的困境，提出了一些建议和对策。最终使得陕北地区的投资环境尽快得以改善，使农民尽快脱贫致富，使人口、资源、环境的关系尽快纳入良性循环的轨道上。

Methods Twelve dogs were randomly divided into experimental and control groups (n=6). They were treated with two kinds of thoracic cavity closed drainage system respectively after artificial hemopneumothorax. The time of thoracic cavity closed drainage, anti-tensile strength,and hemoglobin contents in peripheral venous blood before operation and after reinfusion were observed.

对比分析自行研制的新型多功能胸腔闭式引流装置与现有的胸腔闭式引流装置对实验犬（n=6）及对照犬(n=6)的多项指标的影响，如胸腔闭式引流术所用时间、两种装置的抗拉力、引流胸血及胸血回输情况和创伤前及回输后周围静脉血液血红蛋白含量的变化以及动物生存情况等。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失